Battle of Wogastisburg

According to the contemporary Chronicle of Fredegar, the Battle of Wogastisburg (also called the siege of Wogastisburg) was an engagement of Slavic tribesmen (Sclav, cognomento Winidi) led by Samo fighting the Franks led by Dagobert I in 631 or 632. The Frankish armies advanced into the area of the Slavic tribal union in three groups – Alamanni, Lombards, and Austrasian Franks.